You can check the version number of the GPS device you own printed on device's casing. There can also be a sticker affixed to it, that has a long series of numbers (IMEI) starting with 35xxxxx above or below device's barcode
Alternatively, you can also find the FW version number of the device in the WeHunt application from the device information menu
- Open the WeHunt application
- Open the main menu
- Click on "Devices"
- Select the device from the list
- The device information shows the Device ID, IMEI and FW version number